<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
    <title>Bootstrap 实例 - 导航栏中的按钮</title>
	<link rel="stylesheet" href="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/css/bootstrap.min.css">
	<script src="http://cdn.static.runoob.com/libs/jquery/2.1.1/jquery.min.js"></script>
	<script src="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
    <nav class="navbar navbar-default navbar-fixed-top" role="navigation">
            <div class="container-fluid">
                <div class="navbar-header">
                    <a href="#" class="navbar-brand">菜鸟教程</a>
                </div>
                <div>
                    <form class="navbar-form navbar-left" role="search">
                        <div class="form-group">
                            <input type="text " class="form-control" placeholder="Search">
                        </div>
                       <button type="submit" class="btn btn-default">
                        提交按钮

                       </button>
                    </form>
                    <button type="button" class="btn btn-default navbar-btn">导航栏按钮</button>
                </div>
            </div>
    </nav><br>
    <nav class="navbar navbar-default navbar-fixed-bottom navbar-inverse" role="navigation">
        <div class="container-fluid">
            <div class="navbar-header">
                <a href="#" class="navbar-brand">菜鸟教程</a>
            </div>
            <div>
                <form class="navbar-form navbar-left" role="search">
                    <div class="form-group">
                        <input type="text " class="form-control" placeholder="Search">
                    </div>
                   <button type="submit" class="btn btn-default">
                    提交按钮

                   </button>
                </form>
                <button type="button" class="btn btn-default navbar-btn">导航栏按钮</button>
            </div>
        </div>
</nav>


</body>
</html>